Finding the Fourth Proportional to 801,398.97, 1,201,775.49 and 288,918.21
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Solution
The fourth proportional to 801,398.97, 1,201,775.49 and 288,918.21 is: 433,260.88
Step by Step Solution
- Step 1: Write the proportion equation
801,398.97 : 1,201,775.49 = 288,918.21 : x - Step 2: Convert to fraction form
801,398.97/1,201,775.49 = 288,918.21/x - Step 3: Cross multiply
801,398.97x = 1,201,775.49 × 288,918.21 - Step 4: Simplify right side
801,398.97x = 347,214,823,392.67 - Step 5: Solve for x
x = 347,214,823,392.67/801,398.97 - Step 6: Final answer
x = 433,260.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.